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while running the following code i got an error as Subscript indices must either be real positive integers or logicals.

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clc; clear; close all; imtool close all; workspace; fontSize = 16; grayImage = imread('C:\Users\user\Documents\MATLAB\f13.jpg'); % subplot(2, 3, 1); imshow(grayImage, []); comp_image = imnoise(uint8(grayImage),'gaussian',0,.1); %Compression using wavelet imshow(comp_image); % load mask; [cr,bpp] = wcompress('c',grayImage,'','spiht','maxloop',12) Xc = wcompress('u',''); delete('') D = abs(grayImage-Xc).^2; mse = sum(D(:))/numel(grayImage) psnr = 10*log10(255*255/mse) % Display the original and the compressed image colormap(pink(255)) subplot(1,2,1); image(grayImage); title('Original image'); axis square subplot(1,2,2); image(Xc); title('Compressed image'); axis square
  1 comentario
NANDITA SHARMA el 20 de Nov. de 2020
Use imresize to make your input image as a square matrix. Then run the code. I hope the code will run successfully now. The 'spiht' works on square marix, may be for that reason you are getting the error.

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Respuestas (2)

Muruganandham Subramanian
Muruganandham Subramanian el 3 de Jun. de 2013

David Sanchez
David Sanchez el 3 de Jun. de 2013
Try with a different compression method. You could avoid your error message using 'ezw' instead of 'spiht'. Give them a try.


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